Door mat



FIG. 1 is a top perspective view of a door mat showing our new design;

FIG. 2 is a front view of the door mat shown in FIG. 1 ;

FIG. 3 is a rear view of the door mat shown in FIG. 1 ;

FIG. 4 is a left side view of the door mat shown in FIG. 1 , the rightside view (not shown) forming a mirror image thereof; and,

FIG. 5 is a top view of the door mat shown in FIG. 1 .

The broken lines shown in the figures represent portions of the door matthat form no part of the claimed design.

CLAIM The ornamental design for a door mat, as shown and described.